#include <iostream>
#include <string>

using namespace std;

class Time
{

private:
    mutable int hour;
    int min;
    int sec;

public:
    Time()
        :hour(0), min(0),sec(0)
        {

        }
    Time(int hour ,int min ,int sec)
        :hour(hour) , min(min) ,sec(sec)
        {

        }
    ~Time()
    {

    }
public:
    void show_Time() const
    {
        cout <<"我是常成员函数" << endl;
        this->hour = 10;
        cout << this->hour << ":" << this->min << ":" << this->sec << endl;
    }

    void show_Time()
    {
        cout <<"我是非常成员函数"<<endl;
        this->hour = 10;
        cout << this->hour << ":" << this->min << ":" << this->sec << endl;
    }
};



int main(int argc, char const *argv[])
{
    
    const Time T;

    T.show_Time();
    
    return 0;
}
